| ; RUN: llc < %s -march=x86 -x86-asm-syntax=intel | \ |
| ; RUN: grep -i ST | not grep "fadd\|fsub\|fdiv\|fmul" |
| |
| ; Test that the load of the memory location is folded into the operation. |
| |
| define double @test_add(double %X, double* %P) { |
| %Y = load double* %P ; <double> [#uses=1] |
| %R = fadd double %X, %Y ; <double> [#uses=1] |
| ret double %R |
| } |
| |
| define double @test_mul(double %X, double* %P) { |
| %Y = load double* %P ; <double> [#uses=1] |
| %R = fmul double %X, %Y ; <double> [#uses=1] |
| ret double %R |
| } |
| |
| define double @test_sub(double %X, double* %P) { |
| %Y = load double* %P ; <double> [#uses=1] |
| %R = fsub double %X, %Y ; <double> [#uses=1] |
| ret double %R |
| } |
| |
| define double @test_subr(double %X, double* %P) { |
| %Y = load double* %P ; <double> [#uses=1] |
| %R = fsub double %Y, %X ; <double> [#uses=1] |
| ret double %R |
| } |
| |
| define double @test_div(double %X, double* %P) { |
| %Y = load double* %P ; <double> [#uses=1] |
| %R = fdiv double %X, %Y ; <double> [#uses=1] |
| ret double %R |
| } |
| |
| define double @test_divr(double %X, double* %P) { |
| %Y = load double* %P ; <double> [#uses=1] |
| %R = fdiv double %Y, %X ; <double> [#uses=1] |
| ret double %R |
| } |